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Organization (Details)
3 Months Ended
Mar. 31, 2016
operating_segments
mi
bbl
Dec. 31, 2015
USD ($)
Oct. 30, 2015
bbl
Business Acquisition [Line Items]      
Pipeline, Miles | mi 685    
Active Storage Capacity | bbl 8,200,000    
Segment Reporting, Number of Business Segments | operating_segments 2    
Pipelines and related assets | TexNew Mex 16 inch pipeline [Member]      
Business Acquisition [Line Items]      
Active Storage Capacity | bbl     80,000
TexNew Mex 16 inch pipeline [Member]      
Business Acquisition [Line Items]      
Payments to Acquire Businesses, Gross   $ 170,000,000  
TexNew Mex 16 inch pipeline [Member] | Common Units [Member]      
Business Acquisition [Line Items]      
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable   421,031  
TexNew Mex 16 inch pipeline [Member] | TexNew Mex Units [Member]      
Business Acquisition [Line Items]      
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable   $ 80,000  
Public [Member]      
Business Acquisition [Line Items]      
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest 33.60%    
Western Refining, Inc. [Member]      
Business Acquisition [Line Items]      
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest 100.00%    
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest 66.40%